package cn.tedu.web.ycw.Servlet;

import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.LineCaptcha;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet(urlPatterns = "/ycwcode")
public class CaptchaUtilServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session = req.getSession();
        LineCaptcha Captcha = CaptchaUtil.createLineCaptcha(100, 21,4,10);
        String code = Captcha.getCode();
        session.setAttribute("yzm",code);
        Captcha.write(resp.getOutputStream());
    }
}
